*{
	margin: 0;
	padding: 0;
}
#container{
	width: 1200px;
	margin: 20px auto;
}
#input_container,#table_container{
	display: flex;
	justify-content: center;
}
#input_container input{
	width: 600px;
	margin-right: 20px;
	height: 20px;
}
#add_form{
	display: flex;
	justify-content:center;
}

#add_form_input{
	width: 600px;

	height: 20px;
}
button{
	width: 50px;
	height: 25px;
}
#table_container table{
	width: 670px;
	text-align:center;
}
#table_container{
	margin-top: 80px;
}
#table_container tr td{
	height: 60px;
}
tr{
	border-bottom: 1px solid #f0f0f0;
}
a:link{text-decoration:none ; color:black ;}
a:visited {text-decoration:none ; color:black;}
a:hover {text-decoration:underline ; color:black;}
a:active {text-decoration:none ; color:black;}